CORE 15
100282 M4 Piston

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About This Product

Manufacturer: Core 15

  • CORE15™ Mil-Spec Forged 7075-T6 Lower Receiver, Type III Class II Hard-coat anodized finish, beveled Magwell for improved reloading speed, machined chevrons in front strap, bullet pictogram
  • safety markings
  • CORE15™  Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II Hard-coat anodized finish, M4 feed ramps, (1913 Picatinny rail flat top) w/ dry lube internal finish and laser engraved T-markings
  • 16” M4 Profile Stainless Steel Match Grade 3 Groove Polygonal  Barrel 1:8 Twist
  • Chambered in .223/5.56 x 45 mm NATO
  • CORE15™ Gas Piston Assembly
  • Adjustable Gas Settings
  • Proprietary Monolithic, Melonite Coated Bolt Carrier
  • Magnetic Particle Inspected (MPI) Bolt Assembly
  • A-2 Flash Hider
  • Picatinny Flat-top Gas Block (optics ready design)
  • M-4 Style Thermoset molded Polymer Hand Guards with Dual
  • Heat Shields
  • A-2 Pistol Grip
  • CORE15™ Six Position Retractable Stock
  • 30rd GI Aluminum Magazine
  • CORE15™ Owner’s Manual
  • Weight (unloaded): 5.8 lbs.
  • Manufacturers Lifetime Warranty